cos x
cos I
i1 : cos 2 o1 = -.4161468365471424 o1 : RR (of precision 53)
The object cos is a method function.
The source of this document is in /build/reproducible-path/macaulay2-1.25.06+ds/M2/Macaulay2/packages/Macaulay2Doc/functions/cos-doc.m2:18:0.